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high-frequency bias

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  • Bias (disambiguation) — Bias is an inclination towards something, or a predisposition, partiality, prejudice, preference, or predilection. Bias may also refer to:In science and statistics: * Bias (statistics), the systematic distortion of a statistic ** A biased sample… …   Wikipedia

  • bias — [bī′əs] n. pl. biases [MFr biais, a slope, slant < OFr < OProv < ?] 1. a line, cut or sewn diagonally across the weave of cloth, as in making seams, binding tape, etc. 2. a mental leaning or inclination; partiality; bent 3. Lawn Bowling… …   English World dictionary

  • Bias (electrical engineering) — In electrical engineering, the term bias has the following meanings: # A systematic deviation of a value from a reference value. # The amount by which the average of a set of values departs from a reference value. # Electrical, mechanical,… …   Wikipedia

  • bias — /buy euhs/, n., adj., adv., v., biased, biasing or (esp. Brit.) biassed, biassing. n. 1. an oblique or diagonal line of direction, esp. across a woven fabric. 2. a particular tendency or inclination, esp. one that prevents unprejudiced… …   Universalium

  • bias — I. noun Etymology: Middle French biais Date: 1530 1. a line diagonal to the grain of a fabric; especially a line at a 45 degree angle to the selvage often utilized in the cutting of garments for smoother fit 2. a. a peculiarity in the shape of a… …   New Collegiate Dictionary

  • bias — WikiB A constant amplitude high frequency signal added to the recording signal to improve the signal to noise ratio and reduce the distortion of an analog tape recording …   Audio and video glossary

  • High-pass filter — A high pass filter is a filter that passes high frequencies well, but attenuates (reduces the amplitude of) frequencies lower than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter. It is… …   Wikipedia

  • Bias tee — A bias tee is a kind of multiplexer which has 3 ports arranged in the shape of a T and where frequencies from 1 MHz to 10 GHz pass horizontally through the T and lower frequencies take a 90° turn used to bias transistors and diodes. It is a… …   Wikipedia

  • High-speed rail in the United Kingdom — The United Kingdom has four classic main railway lines operating at convert|125|mph|km/h|sigfig=2, plus convert|108|km|mi|sigfig=1 of High Speed 1 high speed line.The fastest current UK domestic services operate at convert|125|mph|km/h|sigfig=2… …   Wikipedia

  • Tape bias — is the term for two phenomena, DC bias and AC bias, that improve the fidelity of analogue magnetic tape sound recordings. DC bias is the addition of a direct current to the audio signal that is being recorded. AC bias is the addition of an… …   Wikipedia

  • Grid bias — is a DC voltage applied to electron tubes (or valves in British English) with three electrodes or more, such as triodes. The control grid (usually the first grid) of these devices is used to control the electron flow from the heated cathode to… …   Wikipedia

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